func golang.org/x/mod/module.CheckPathMajor

5 uses

	golang.org/x/mod/module (current package)
		module.go#L212: 	if err := CheckPathMajor(version, pathMajor); err != nil {
		module.go#L538: 	return CheckPathMajor(v, pathMajor) == nil
		module.go#L543: func CheckPathMajor(v, pathMajor string) error {

	golang.org/x/mod/modfile
		rule.go#L290: 		if err := module.CheckPathMajor(v, pathMajor); err != nil {
		rule.go#L333: 			if err := module.CheckPathMajor(v, pathMajor); err != nil {